package cn.stylefeng.guns.modular.base.util;

import cn.stylefeng.guns.modular.base.state.F;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import org.apache.commons.io.IOUtils;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.HttpClient;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
import org.apache.http.conn.ssl.TrustStrategy;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.impl.conn.PoolingHttpClientConnectionManager;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.ssl.SSLContextBuilder;
import org.apache.http.util.EntityUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import javax.net.ssl.HostnameVerifier;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSession;
import java.io.IOException;
import java.io.InputStream;
import java.math.BigDecimal;
import java.nio.charset.Charset;
import java.security.KeyManagementException;
import java.security.KeyStoreException;
import java.security.NoSuchAlgorithmException;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
import java.util.*;

public class HttpUtils
{
    private static final Logger log = LoggerFactory.getLogger(HttpUtils.class);
    private static PoolingHttpClientConnectionManager connMgr;
    private static RequestConfig requestConfig;
    private static final int MAX_TIMEOUT = 20000;

    static {
        // 设置连接池?
        connMgr = new PoolingHttpClientConnectionManager();
        // 设置连接池大值?
        connMgr.setMaxTotal(100);
        connMgr.setDefaultMaxPerRoute(connMgr.getMaxTotal());
        // Validate connections after 1 sec of inactivity
        connMgr.setValidateAfterInactivity(1000);
        RequestConfig.Builder configBuilder = RequestConfig.custom();
        // 设置连接超时
        configBuilder.setConnectTimeout(MAX_TIMEOUT);
        // 设置读取超时
        configBuilder.setSocketTimeout(MAX_TIMEOUT);
        // 设置从连接池获取连接实例的超时?
        configBuilder.setConnectionRequestTimeout(MAX_TIMEOUT);

        requestConfig = configBuilder.build();
    }

    /**
     * 发送 GET 请求（HTTP），不带输入数据
     *
     * @param url
     * @return
     */
    public static JSONObject doGet(String url) {
        return doGet(url, new HashMap<String, Object>());
    }

    /**
     * 发送 GET 请求（HTTP），K-V形式
     *
     * @param url
     * @param params
     * @return
     */
    public static JSONObject doGet(String url, Map<String, Object> params) {
        String apiUrl = url;
        StringBuffer param = new StringBuffer();
        int i = 0;
        for (String key : params.keySet()) {
            if (i == 0) {
                param.append("?");
            } else {
                param.append("&");
            }

            param.append(key).append("=").append(params.get(key));
            i++;
        }
        apiUrl += param;
        String result = null;
        HttpClient httpClient = null;
        System.err.println("url："+apiUrl);
        if (apiUrl.startsWith("https")) {
            httpClient = HttpClients.custom().setSSLSocketFactory(createSSLConnSocketFactory())
                    .setConnectionManager(connMgr).setDefaultRequestConfig(requestConfig).build();
        } else {
            httpClient = HttpClients.createDefault();
        }
        try {
            HttpGet httpGet = new HttpGet(apiUrl);
            HttpResponse response = httpClient.execute(httpGet);
            HttpEntity entity = response.getEntity();
            if (entity != null) {
                InputStream instream = entity.getContent();
                result = IOUtils.toString(instream, "UTF-8");
            }
        } catch (IOException e) {

        }
        return JSON.parseObject(result);
    }
    public static JSONObject doGetS(String url, Map<String, String> params) {
        String apiUrl = url;
        StringBuffer param = new StringBuffer();
        int i = 0;
        for (String key : params.keySet()) {
            if (i == 0) {
                param.append("?");
            } else {
                param.append("&");
            }

            param.append(key).append("=").append(params.get(key));
            i++;
        }
        apiUrl += param;
        String result = null;
        HttpClient httpClient = null;
        System.err.println("url："+apiUrl);
        if (apiUrl.startsWith("https")) {
            httpClient = HttpClients.custom().setSSLSocketFactory(createSSLConnSocketFactory())
                    .setConnectionManager(connMgr).setDefaultRequestConfig(requestConfig).build();
        } else {
            httpClient = HttpClients.createDefault();
        }
        try {
            HttpGet httpGet = new HttpGet(apiUrl);
            HttpResponse response = httpClient.execute(httpGet);
            HttpEntity entity = response.getEntity();
            if (entity != null) {
                InputStream instream = entity.getContent();
                result = IOUtils.toString(instream, "UTF-8");
            }
        } catch (IOException e) {

        }
        return JSON.parseObject(result);
    }

    /**
     * 发送 POST 请求（HTTP），不带输入数据
     *
     * @param apiUrl
     * @return
     */
    public static JSONObject doPost(String apiUrl) {
        return doPost(apiUrl, new HashMap<String, Object>());
    }

    /**
     * 发送 POST 请求，K-V形式
     *
     * @param apiUrl API接口URL
     * @param params 参数map
     * @return
     */
    public static JSONObject doPost(String apiUrl, Map<String, Object> params) {
        CloseableHttpClient httpClient = null;
        if (apiUrl.startsWith("https")) {
            httpClient = HttpClients.custom().setSSLSocketFactory(createSSLConnSocketFactory())
                    .setConnectionManager(connMgr).setDefaultRequestConfig(requestConfig).build();
        } else {
            httpClient = HttpClients.createDefault();
        }
        String httpStr = null;
        HttpPost httpPost = new HttpPost(apiUrl);
        CloseableHttpResponse response = null;

        try {
            httpPost.setConfig(requestConfig);
            List<NameValuePair> pairList = new ArrayList<>(params.size());
            for (Map.Entry<String, Object> entry : params.entrySet()) {
                NameValuePair pair = new BasicNameValuePair(entry.getKey(), entry.getValue().toString());
                pairList.add(pair);
            }
            httpPost.setEntity(new UrlEncodedFormEntity(pairList, Charset.forName("UTF-8")));
            System.err.println(httpPost);
            response = httpClient.execute(httpPost);
            System.err.println(response);
            HttpEntity entity = response.getEntity();
            httpStr = EntityUtils.toString(entity, "UTF-8");
        } catch (IOException e) {

        } finally {
            if (response != null) {
                try {
                    EntityUtils.consume(response.getEntity());
                } catch (IOException e) {

                }
            }
        }
        return JSON.parseObject(httpStr);
    }

    /**
     * 发送 POST 请求，JSON形式
     *
     * @param apiUrl
     * @param json   json对象
     * @return JSONObject
     */
    public static JSONObject doPost(String apiUrl, Object json) {
        CloseableHttpClient httpClient = null;
        if (apiUrl.startsWith("https")) {
            httpClient = HttpClients.custom().setSSLSocketFactory(createSSLConnSocketFactory())
                    .setConnectionManager(connMgr).setDefaultRequestConfig(requestConfig).build();
        } else {
            httpClient = HttpClients.createDefault();
        }
        String httpStr = null;
        HttpPost httpPost = new HttpPost(apiUrl);
        CloseableHttpResponse response = null;

        try {
            httpPost.setConfig(requestConfig);
            StringEntity stringEntity = new StringEntity(json.toString(), "UTF-8");// 解决中文乱码问题
            stringEntity.setContentEncoding("UTF-8");
            stringEntity.setContentType("application/json");
            httpPost.setEntity(stringEntity);
            response = httpClient.execute(httpPost);
            HttpEntity entity = response.getEntity();
            httpStr = EntityUtils.toString(entity, "UTF-8");
        } catch (IOException e) {

        } finally {
            if (response != null) {
                try {
                    EntityUtils.consume(response.getEntity());
                } catch (IOException e) {

                }
            }
        }
        return JSON.parseObject(httpStr);
    }

    /**
     * 创建SSL安全连接
     *
     */
    private static SSLConnectionSocketFactory createSSLConnSocketFactory() {
        SSLConnectionSocketFactory sslsf = null;

        SSLContext sslContext = null;
        try {
            sslContext = new SSLContextBuilder().loadTrustMaterial(null, new TrustStrategy() {

                @Override
                public boolean isTrusted(X509Certificate[] chain, String authType) throws CertificateException {
                    return true;
                }
            }).build();
            sslsf = new SSLConnectionSocketFactory(sslContext, new HostnameVerifier() {

                @Override
                public boolean verify(String arg0, SSLSession arg1) {
                    return true;
                }
            });
        } catch (NoSuchAlgorithmException e) {
            e.printStackTrace();
        } catch (KeyManagementException e) {
            e.printStackTrace();
        } catch (KeyStoreException e) {
            e.printStackTrace();
        }


        return sslsf;
    }

    /**
     * 创建钱包地址
     *
     */
    public static JSONObject setTransactionByTxid(String memberCode, String key, String secret, String coin, Long id, String createUrl) {
        JSONObject json = new JSONObject();
        TreeMap<String, Object> params = new TreeMap<>();
        //时间戳
        params.put("timeStamp", System.currentTimeMillis());
        //用户id
        params.put("userId", id.toString());
        //商户编码
        params.put("memberCode", memberCode);
        //币种code
        params.put("coin", coin);
        //随机字符串
        params.put("nonceStr", GenUtils.toSerialCode(id));
        //创建签名字符串
        String sign = SignUitls.getSign(params, secret, key);
        //商户公钥
        params.put("key", key);
        //签名字符串
        params.put("sign", sign);
        JSONObject httpPost = HttpUtils.doPost(createUrl, params);
        F.me().wlog("创建钱包地址",createUrl,httpPost.toJSONString());
        return httpPost;
    }

    /**
     * 发送提币交易
     *
     */
    public static JSONObject sendCoinWithdraw(String memberCode, String key, String secret, String serialNo, String coin, Long id, String toaddress, String mentionUrl, BigDecimal amount) {
        TreeMap<String, Object> params = new TreeMap<>();
        //时间戳
        params.put("timeStamp", System.currentTimeMillis());
        //商户编码
        params.put("memberCode", memberCode);
        //用户id
        params.put("uid", id);
        //备注
        params.put("remark", "");
        //币种code
        params.put("coin", coin);
        //业务提幣id
        params.put("businessId", serialNo);
        //接收hash地址
        params.put("toAddress", toaddress);
        //提幣数量
        params.put("amount", amount);
        //随机字符串
        params.put("nonceStr", GenUtils.toSerialCode(id));
        //创建签名字符串
        String sign = SignUitls.getSign(params, secret, key);
        //商户公钥
        params.put("key", key);
        //签名字符串
        params.put("sign", sign);
        JSONObject httpPost = HttpUtils.doPost(mentionUrl, params);
        F.me().wlog("发送提币交易",mentionUrl,httpPost.toJSONString());
        return httpPost;
    }


    /**
     * 校验地址
     */
    public static JSONObject checkAddress(String memberCode, String key, String secret, String coin, Long id, String address, String checkAddressUrl) {
        TreeMap<String, Object> params = new TreeMap<>();
        //时间戳
        params.put("timeStamp", System.currentTimeMillis());
        //商户编码
        params.put("memberCode", memberCode);
        //币种code
        params.put("coin", coin);

        //校验地址
        params.put("address", address);

        //随机字符串
        params.put("nonceStr", GenUtils.toSerialCode(id));
        //创建签名字符串
        String sign = SignUitls.getSign(params, secret, key);
        //商户公钥
        params.put("key", key);
        //签名字符串
        params.put("sign", sign);
        JSONObject httpPost = HttpUtils.doPost(checkAddressUrl, params);
        F.me().wlog("校验地址",checkAddressUrl,httpPost.toJSONString());
        return httpPost;
    }

    /**
     * 查询余额
     * @param coin coin
     * @param key key
     * @param memberCode memberCode
     * @param secret secret
     * @param accountBalanceUrl accountBalanceUrl
     * @return JSONObject
     */
    public static JSONObject accountBalance(String coin, String key, String memberCode, String secret, String accountBalanceUrl) {
        TreeMap<String, Object> params = new TreeMap<>();
        //时间戳
        params.put("timeStamp", System.currentTimeMillis());
        //商户编码
        params.put("memberCode", memberCode);
        //币种code
        params.put("coin", coin);

        //随机字符串
        params.put("nonceStr", GenUtils.toSerialCode(1L));
        //创建签名字符串
        String sign = SignUitls.getSign(params, secret, key);
        //商户公钥
        params.put("key", key);
        //签名字符串
        params.put("sign", sign);
        JSONObject httpPost = HttpUtils.doPost(accountBalanceUrl, params);
        F.me().wlog("校验地址",accountBalanceUrl,httpPost.toJSONString());
        return httpPost;
    }

    /**
     * 查询主账户地址
     * @param coin coin
     * @param key key
     * @param memberCode memberCode
     * @param secret secret
     * @param findMainAccountUrl findMainAccountUrl
     * @return JSONObject
     */
    public static JSONObject findMainAccount(String coin, String key, String memberCode, String secret, String findMainAccountUrl) {
        TreeMap<String, Object> params = new TreeMap<>();
        //时间戳
        params.put("timeStamp", System.currentTimeMillis());
        //商户编码
        params.put("memberCode", memberCode);
        //币种code
        params.put("coin", coin);

        //随机字符串
        params.put("nonceStr", GenUtils.toSerialCode(1L));
        //创建签名字符串
        String sign = SignUitls.getSign(params, secret, key);
        //商户公钥
        params.put("key", key);
        //签名字符串
        params.put("sign", sign);
        System.out.println("coin="+coin+"&key="+key+"&memberCode="+memberCode+"&nonceStr="+params.get("nonceStr")+"&sign="+sign+"&timeStamp="+params.get("timeStamp"));
        JSONObject httpPost = HttpUtils.doPost(findMainAccountUrl, params);
        F.me().wlog("查询主账户地址",findMainAccountUrl,httpPost.toJSONString());
        return httpPost;
    }

}
